单选题 {{U}}Having impelled{{/U}} by a laudable ambition to study the art and mystery of his father's honest calling, young Jerry, keeping as close to house fronts, wails, and doorways, as his eyes were close to one another, held his honoured parent in view.
  • A. Impelled
  • B. When being impelled
  • C. To be impelled
  • D. Having been impelled
【正确答案】 A
【答案解析】该句的主语是Jerry，谓语动词是held his...，所以句首用动词的过去分词(作形容词用)即可。